<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                         211,878
<SECURITIES>                                         0
<RECEIVABLES>                                  155,624
<ALLOWANCES>                                    57,870
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                       3,486,094
<DEPRECIATION>                             (3,140,358)
<TOTAL-ASSETS>                                 657,806
<CURRENT-LIABILITIES>                                0
<BONDS>                                              0
<COMMON>                                             0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                     643,397
<TOTAL-LIABILITY-AND-EQUITY>                   657,806
<SALES>                                              0
<TOTAL-REVENUES>                               778,338
<CGS>                                                0
<TOTAL-COSTS>                                  457,903
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                320,435
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            320,435
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   320,435
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0